<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
        <label for="">性别</label>
        <input type="checkbox" id='M' value="M">男
        <input type="checkbox" id='F' value="F">女
</body>
</html>